Home / 7,419.48-11,033.70-7,185.84

Finding the Fourth Proportional to 7,419.48, 11,033.70 and 7,185.84

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Solution

The fourth proportional to 7,419.48, 11,033.70 and 7,185.84 is: 10,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.48 : 11,033.70 = 7,185.84 : x
  2. Step 2: Convert to fraction form
    7,419.48/11,033.70 = 7,185.84/x
  3. Step 3: Cross multiply
    7,419.48x = 11,033.70 × 7,185.84
  4. Step 4: Simplify right side
    7,419.48x = 79,286,402.81
  5. Step 5: Solve for x
    x = 79,286,402.81/7,419.48
  6. Step 6: Final answer
    x = 10,686.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.